Base | Representation |
---|---|
bin | 101011111011… |
… | …0010011000101 |
3 | 1121022222202110 |
4 | 1113312103011 |
5 | 21343411213 |
6 | 2141331233 |
7 | 366512514 |
oct | 127662305 |
9 | 47288673 |
10 | 23028933 |
11 | 11aa9a84 |
12 | 7866b19 |
13 | 4a03cb5 |
14 | 30b667b |
15 | 204d5c3 |
hex | 15f64c5 |
23028933 has 4 divisors (see below), whose sum is σ = 30705248. Its totient is φ = 15352620.
The previous prime is 23028857. The next prime is 23028937. The reversal of 23028933 is 33982032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 23028933 - 210 = 23027909 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23028933.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23028937) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838153 + ... + 3838158.
It is an arithmetic number, because the mean of its divisors is an integer number (7676312).
Almost surely, 223028933 is an apocalyptic number.
It is an amenable number.
23028933 is a deficient number, since it is larger than the sum of its proper divisors (7676315).
23028933 is an equidigital number, since it uses as much as digits as its factorization.
23028933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7676314.
The product of its (nonzero) digits is 7776, while the sum is 30.
The square root of 23028933 is about 4798.8470490317. The cubic root of 23028933 is about 284.5058967173.
The spelling of 23028933 in words is "twenty-three million, twenty-eight thousand, nine hundred thirty-three".
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